CN203859599U - Rotating motor for vehicle - Google Patents
Rotating motor for vehicle Download PDFInfo
- Publication number
- CN203859599U CN203859599U CN201290000711.3U CN201290000711U CN203859599U CN 203859599 U CN203859599 U CN 203859599U CN 201290000711 U CN201290000711 U CN 201290000711U CN 203859599 U CN203859599 U CN 203859599U
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- China
- Prior art keywords
- mentioned
- insulator
- extension
- coil windings
- side wall
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000012212 insulator Substances 0.000 claims abstract description 112
- 238000004804 winding Methods 0.000 claims abstract description 79
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 19
- 239000011347 resin Substances 0.000 claims abstract description 16
- 229920005989 resin Polymers 0.000 claims abstract description 16
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 7
- 239000010959 steel Substances 0.000 claims abstract description 7
- 238000003475 lamination Methods 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 10
- 230000015572 biosynthetic process Effects 0.000 description 9
- 238000009413 insulation Methods 0.000 description 9
- 230000006835 compression Effects 0.000 description 8
- 238000007906 compression Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 6
- 230000002950 deficient Effects 0.000 description 5
- 230000005520 electrodynamics Effects 0.000 description 4
- 239000004734 Polyphenylene sulfide Substances 0.000 description 2
- 230000004323 axial length Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 229920000069 polyphenylene sulfide Polymers 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- BGPVFRJUHWVFKM-UHFFFAOYSA-N N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] Chemical compound N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] BGPVFRJUHWVFKM-UHFFFAOYSA-N 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 230000008485 antagonism Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/32—Windings characterised by the shape, form or construction of the insulation
- H02K3/34—Windings characterised by the shape, form or construction of the insulation between conductors or between conductor and core, e.g. slot insulation
- H02K3/345—Windings characterised by the shape, form or construction of the insulation between conductors or between conductor and core, e.g. slot insulation between conductor and core, e.g. slot insulation
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2213/00—Specific aspects, not otherwise provided for and not covered by codes H02K2201/00 - H02K2211/00
- H02K2213/03—Machines characterised by numerical values, ranges, mathematical expressions or similar information
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Insulation, Fastening Of Motor, Generator Windings (AREA)
Abstract
The utility model relates to a rotating motor for vehicle. The rotating motor comprises a stator iron core (10), a first insulator (21), a second insulator (22), and a coil winding (30); a plurality of electromagnetic steel plates are laminated at the stator iron core; the first insulator and the second insulator are assembled at the stator iron core (10) at a shaft direction (L) in an opposite mode; and the coil winding (30) winds around the first insulator (21) and the second insulator (22) and is molded by a resin mold (31). The first insulator (21) includes a first end portion (23a) and a first side wall portion (24a); and the second insulator (22) includes a second end portion (23b) and a second side wall portion (24b). A gap (S1) is formed between the first side wall portion (24a) and the second side wall portion (24b). Compared with the middle position (M) of the lamination length (H) of the stator iron core (10), the position of the gap (S1) is closer to the side of the first end portion (23a) or the second end portion (23b); and the gap (S1) is located at the portion, with the curvature larger than that of the winding coil (30)portion at the middle position (M), of the coil winding (30).
Description
Technical field
The utility model relates to the insulator for for motor vehicle electric rotating machine.
Background technology
In the automotive dynamoelectric machine of prior art, there is following technical scheme: and the stator core that form stacked for a plurality of electromagnetic steel plates, in order to ensure the insulation between coil windings and stator core, from the direction of principal axis of electric rotating machine, be relatively mounted with a pair of insulator (for example, with reference to patent documentation 1).
prior art document
patent documentation
Patent documentation 1: JP 2000-50555 communique.
Utility model content
the problem that utility model will solve
Yet there are the following problems in the automotive dynamoelectric machine of patent documentation 1: make the top of insulator against each other not expose the mode of stator core, so insulator needs high accuracy processing, manufacturing cost uprises.In addition, also have following problem: according to the deviation of the thickness of slab of electromagnetic steel plate, stator core is size generation deviation on direction of principal axis, between two tops of the insulator of butt, form gap sometimes.Gap is formed at the position that expose in the axial centre position of stator core.Stator core is being carried out resin moulded in the situation that, due to resin moulded forming pressure, the coil windings that is wound in centre position is pressed and enters gap, causes that stator core and coil windings insulation are defective.
The utility model completes in view of the above problems, and its object is to provide a kind of automotive dynamoelectric machine, and the manufacturing cost that suppresses insulator increases, and prevents from resin mouldedly causing the insulation of stator core and coil windings defective.
for the scheme of dealing with problems
The 1st scheme of dealing with problems of the present utility model is following formation: possess: stator core, and it is laminated by a plurality of electromagnetic steel plates; The 1st insulator and the 2nd insulator, its direction of principal axis from said stator iron core is relatively assemblied in said stator iron core; And coil windings, it is wound in above-mentioned the 1st insulator and above-mentioned the 2nd insulator, and by resin moulded, above-mentioned the 1st insulator has: the 1st base portion, it covers a square end portion of the said stator iron core on above-mentioned direction of principal axis; And the 1st extension, it extends to above-mentioned the 2nd insulator side from above-mentioned the 1st base portion, and above-mentioned the 2nd insulator has: the 2nd base portion, it covers the opposing party end of the said stator iron core on above-mentioned direction of principal axis; And the 2nd extension, it extends to above-mentioned the 1st insulator side from above-mentioned the 2nd base portion, on above-mentioned direction of principal axis, between above-mentioned the 1st extension and above-mentioned the 2nd extension, be formed with gap, about above-mentioned gap, the position in above-mentioned gap be on above-mentioned direction of principal axis than the centre position of the length of said stator iron core by above-mentioned the 1st base portion side or above-mentioned the 2nd base portion side, be positioned at the part of comparing the above-mentioned coil windings that curvature is large with the above-mentioned coil windings in above-mentioned centre position.
The 2nd scheme of dealing with problems of the present utility model is following formation: the position near above-mentioned the 1st base portion or above-mentioned the 2nd base portion than above-mentioned centre position is located in above-mentioned gap.
The 3rd scheme of dealing with problems of the present utility model is following formation: the above-mentioned coil windings that so-called curvature is large, refers to the curved portions of the above-mentioned coil windings contacting with the 1st junction surface of above-mentioned the 1st base portion and above-mentioned the 1st extension or the 2nd junction surface of above-mentioned the 2nd base portion and above-mentioned the 2nd extension.
The 4th scheme of dealing with problems of the present utility model is following formation: with the length of above-mentioned the 1st extension on said stator overlapping above-mentioned direction of principal axis unshakable in one's determination and shorter than the length of the said stator iron core on above-mentioned direction of principal axis with the length sum of above-mentioned the 2nd extension on said stator overlapping above-mentioned direction of principal axis unshakable in one's determination.
The 5th scheme of dealing with problems of the present utility model is following formation: above-mentioned the 1st insulator and above-mentioned the 2nd insulator are identical shaped.
utility model effect
According to automotive dynamoelectric machine of the present utility model, the 1st insulator and the 2nd insulator are being loaded under the state of stator core, between the 1st extension and the 2nd extension, be formed with gap.Thus, need not require high-precision processing just can manufacture the 1st insulator and the 2nd insulator to the 1st extension and the 2nd extension, therefore can suppress manufacturing cost increases.In addition, be formed at the centre position of length of the ratio stator core on the direction of principal axis that gap between the 1st extension and the 2nd extension is positioned at stator core by the 1st base portion or the 2nd base portion side, be positioned at the part of comparing the coil windings that curvature is large with the coil windings that is wound in the centre position of stator core.Be wound in that than centre position, by the coil windings of the 1st base portion side or the 2nd base portion side and the coil windings that is wound in centre position, to compare curvature large, for being difficult for the shape of deflection under the mould-forming pressure resin moulded.The coil windings that can prevent from being thus wound in the position in gap is out of shape due to resin moulded, and coil windings enters gap and causes the insulation of coil windings and stator core defective.
Therefore in addition, the position near the 1st base portion or the 2nd base portion than the centre position of stator core is located in gap, can make gap be formed at the position that coil windings that curvature is larger is reeled.Can more be difficult in coil windings the formation gap, position of deflection thus.
In addition, when the curved portions of the coil windings contacting with the 2nd junction surface with the 1st junction surface is applied to mould-forming pressure, what in curved portions, can produce that mould-forming pressure causes take the moment that the 1st junction surface and the 2nd junction surface be fulcrum.The mould-forming pressure that the coil windings of the mould-forming pressure ratio producing in curved portions in centre position produces is near fulcrum, and the moment that the coil windings of the torque ratio therefore producing in curved portions in centre position produces is little.Thus, curved portions is compared with the coil windings in centre position and more difficultly under mould-forming pressure, is out of shape.
In addition, with the axial length of overlapping the 1st extension of stator core and shorter than the length of the stator core on direction of principal axis with the axial length sum of overlapping the 2nd extension of stator core, therefore between the 1st extension and the 2nd extension, must form gap.On the direction of principal axis of stator core, between the 1st extension and the 2nd extension, form reliably gap thus.
In addition, even if side's first extension extends minister than the opposing party first, relative with side's first extension side's second extension is shorter than the opposing party second extension relative with the opposing party's the first extension, and the coil windings that also can prevent from being wound in the position in gap causes coil windings to enter gap bringing the insulation of coil windings and stator core defective because molding is out of shape.
In addition, the 1st insulator and the 2nd insulator are identical shaped, are therefore that difform situation is compared with the 1st insulator and the 2nd insulator, and the kind that can make the insulator of manufacturing is a kind, can reduce manufacturing cost.
Accompanying drawing explanation
Fig. 1 is the sectional view that has utilized the electrodynamic pump of motor part of the present utility model.
Fig. 2 is the exploded perspective view of motor part of the present utility model.
Fig. 3 is the X-X sectional view that the 1st execution mode of the present utility model is shown.
Fig. 4 is the X-X sectional view that the 2nd execution mode of the present utility model is shown.
Embodiment
(the 1st execution mode)
Based on accompanying drawing, describe the 1st execution mode of the present utility model in detail below.
Fig. 1 has utilized motor part 41(automotive dynamoelectric machine of the present utility model) the sectional view of electrodynamic pump 1.Electrodynamic pump 1 possesses motor part 41 and pump portion 51, and the pump case 50 that forms the outline of pump portion 51 is assembled into one with the motor casing 40 that forms the outline of motor part 41.Motor part 41 comprises rotor 2, stator core 10, the 1st insulator the 21, the 2nd insulator 22, motor casing 40.Rotor 2 possesses rotor subject 3, and possesses permanet magnet 5 at the peripheral part of this rotor subject 3.Rotor 2 takes shape in rotating shaft 4 integratedly, makes the rotating shaft of rotor subject 3 consistent with the rotating shaft of rotating shaft 4.In addition, rotor 2 and impeller 6 take shape in rotating shaft 4 integratedly, and rotor 2 and impeller 6 are linked in the mode of energy one rotation.The 1st insulator 21 and the 2nd insulator 22 are assemblied in stator core 10.From the outside of the 1st insulator 21 and the 2nd insulator 22, be formed with resin die 31.In pump portion 51, taken in rotationally impeller 6, impeller 6 utilizes motor part 41 rotations and sucks fluid from being formed at the suction inlet 52 of pump case 50, from ejiction opening 53 ejecting fluid.
Fig. 2 is the exploded perspective view of stator core 10 and the 1st insulator 21 and the 2nd insulator 22.Stator core 10 is to make direction that a plurality of electromagnetic steel plates 11 increase from the height of stator core overlapping from the direction of principal axis L of stator core and form.The 1st insulator 21 and the 2nd insulator 22 are relatively assemblied in stator core 10 from direction of principal axis L.The 1st insulator 21 possesses the 1st end 23a(the 1st base portion of end of the direction of principal axis L of covering stator iron core 10) be connected and extend the 1st outstanding side wall portion 24a(the 1st extension to the 2nd insulator 22 sides with the Zhou Fangxiang C both sides with the 1st end 23a).The 2nd insulator 22 possesses the 2nd end 23b(the 2nd base portion of end of the direction of principal axis L of covering stator iron core 10) be connected and extend the 2nd outstanding side wall portion 24b(the 2nd extension to the 1st insulator 21 sides with the Zhou Fangxiang C both sides with the 2nd end 23b).The size of the width of the Zhou Fangxiang C of the 1st side wall portion 24a and the 2nd side wall portion 24b equates.In addition, form the raw material employing polyphenylene sulfide of the 1st insulator 21 and the 2nd insulator 22.The raw material of the 1st insulator 21 and the 2nd insulator 22 for example, except above-mentioned polyphenylene sulfide, can also utilize PA66 nylon.
Fig. 3 is the figure of the state of the coil windings 30 while utilizing the X-X sectional view of Fig. 2 that mould-forming is described.The 1st insulator 21 with the 2nd insulator 22 to be assemblied in stator core 10 along the relative mode of direction of principal axis L.The length of the direction of principal axis L of the 1st side wall portion 24a of the 1st insulator 21 is defined as to the length of the 1st extension on L1(direction of principal axis).In addition, the length of the direction of principal axis L of the 2nd side wall portion 24b of the 2nd insulator 22 is defined as to the length of the 2nd extension on L2(direction of principal axis).The length of the stator core on the stack length H(direction of principal axis of L1 and L2 sum and stator core 10) there is the relation of H > L1+L2.Between the 1st side wall portion 24a and the 2nd side wall portion 24b, form gap S1 thus.The length of the direction of principal axis L of gap S1 is 0.7 ± 0.7mm.In addition, L2 is set as the length of centre position M of the stack length H of the 2nd side wall portion 24b covering stator iron core 10.The position of gap S1 is positioned at than the centre position M of the stack length H of stator core 10 and leans on the 1st end 23a side thus, and Wei Bi centre position, its position M is near the position of the 1st end 23a.In addition, gap S1 is formed on the Zhou Fangxiang C of curved portions 32 of coil windings 30, wherein, above-mentioned coil windings 30 forms with the 1st junction surface 25a of the 1st end 23a and the 1st side wall portion 24a and the 2nd junction surface 25b of the 2nd end 23b and the 2nd side wall portion 24b and contacts.At this, the ratio of curvature that curved portions 32 forms curved portions 32 is wound in the large form of curvature of the coil windings 30 of centre position M.Stator core 10 is applied mould-forming pressure P to coil windings 30 to stator core 10 sides by resin moulded 31 outer circumferential sides from coil windings 30 with the state of being reeled by coil windings 30 across the 1st insulator 21 and the 2nd insulator 22.Under forming pressure P, in the inside of coil windings 30, produce compression stress R.
Utilize Fig. 3 that the action of motor part 41 being carried out to the coil windings 30 in the situation of mould-forming is described.
The insulation system of the 1st insulator 21 shown in Fig. 3 and the 2nd insulator 22 relatively assembles the 1st insulator 21 and the 2nd insulator 22 and forms from direction of principal axis L.When stator core 10 is loaded to the 1st insulator 21 and the 2nd insulator 22, between the 1st side wall portion 24a and the 2nd side wall portion 24b, be formed with gap S1.This gap S1 is formed at than the centre position M of the stack length H of stator core 10 by the i.e. position near the 1st end 23a than centre position M of the 1st end 23a side, is positioned on the Zhou Fangxiang C of curved portions 32 of coil windings 30.Coil windings 30 is wound in stator core 10 contiguously across the 1st end 23a and the 2nd end 23b, the 1st side wall portion 24a and the 2nd side wall portion 24b and the 1st junction surface 25a and the 2nd junction surface 25b.Utilize resin moulded 31 outer circumferential sides from coil windings 30 to stator core 10 sides, to apply mould-forming pressure P to coil windings 30.Curved portions 32 places on the Zhou Fangxiang of gap S1 C, antagonism forming pressure P and produce compression stress R.It is large that curved portions 32 and the coil windings 30 of centre position M are compared curvature, and the compression stress R that the compression stress R therefore producing in curved portions 32 produces than the coil windings 30 at centre position M is large.That is to say that curved portions 32 compares and be difficult for deflection under forming pressure P with the coil windings 30 of centre position M.In addition, the forming pressure P that applies of coil windings 30 that forming pressure P curved portions 32 being applied is positioned at comparison centre position M approaches as the 1st junction surface 25a of fulcrum or the position of the 2nd junction surface 25b.Thus, the torque ratio of forming pressure P curved portions 32 being applied is little in the moment of coil windings 30 generations of centre position M.That is to say that lonely shape portion 32 compares more difficult deflection under forming pressure P with the coil windings 30 of centre position M.
As described above in detail, according to execution mode, can obtain effect shown below.
(1) in the present embodiment,, the 1st insulator 21 and the 2nd insulator 22 are assemblied in to the state of stator core 10, between the 1st side wall portion 24a and the 2nd side wall portion 24b, form gap S1.Thus, need not require high-precision processing just can manufacture the 1st insulator 21 and the 2nd insulator 22 to the 1st side wall portion 24a and the 2nd side wall portion 24b, therefore can suppress manufacturing cost increases.In addition, be formed at gap S1 between the 1st side wall portion 24a and the 2nd side wall portion 24b and be positioned at than the centre position M of stator core 10 by the 1st end 23a or the 2nd end 23b side, be positioned at the position of comparing the coil windings 30 that curvature is large with the coil windings 30 that is wound in centre position M.Be wound in that than centre position M, by the coil windings 30 of the 1st end 23a or the 2nd end 23b side and the coil windings 30 that is wound in centre position M, to compare curvature large, for being difficult for the shape of deflection under the mould-forming pressure P resin moulded 31.Thus, the coil windings 30 that can prevent from being wound in gap S1 is out of shape due to resin moulded 31, and coil windings 30 enters gap S1 and causes coil windings 30 defective with the insulation of stator core 10.
(2) in the present embodiment, gap S1 is located at the position near 1 the 1st end 23a or the 2nd end 23b than the centre position M of stator core 10, formation gap, the position S1 that therefore can reel in the larger coil windings 30 of curvature.Can more be difficult in coil windings 30 formation gap, the position S1 of deflection thus.
(3) in the present embodiment, when the curved portions 32 of the coil windings 30 contacting with the 2nd junction surface 25b with the 1st junction surface 25a is applied to mould-forming pressure P, in curved portions 32, produce the moment that the 1st junction surface 25a and the 2nd junction surface 25b be fulcrum of take of mould-forming pressure P.The mould-forming pressure P that the mould-forming pressure P of curved portions produces than the coil windings of centre position M 30 is near fulcrum, so the moment that the moment forces of curved portions produces than the coil windings of centre position M 30 is little.Curved portions 32 is compared and is difficult for being out of shape under mould-forming pressure P with the coil windings 30 of centre position M thus.
(4) in the present embodiment, length L 2 sums of the length L 1 of the 1st side wall portion 24a and the 2nd side wall portion 24b are shorter than the stack length H of stator core 10, therefore between the 1st side wall portion 24a and the 2nd side wall portion 24b, will inevitably form gap S1.On direction of principal axis L, between the 1st side wall portion 24a and the 2nd side wall portion 24b, form reliably gap S1 thus.
(the 2nd execution mode)
The 2nd execution mode of the present utility model is below described with reference to the accompanying drawings.In addition, the difference of the 2nd execution mode and the 1st execution mode has been to change the shape of the 1st insulator 21 and the 2nd insulator 22, and therefore about shared formation, description is omitted.
Fig. 4 is the X-X sectional view that is equivalent to the present embodiment of Fig. 3.The 1st insulator 121 with the 2nd insulator 222 to be assemblied in stator core 10 along the relative mode of direction of principal axis L.The 1st insulator 121 comprises the 1st long side wall portion 124b that the length of the 1st short side wall portion 124a that the length of direction of principal axis L is L3 and direction of principal axis L is L4.The 2nd insulator 222 comprises the 2nd long side wall portion 224b that the length of the 2nd short side wall portion 224a that the length of direction of principal axis L is L5 and direction of principal axis L is L6.The 1st insulator 121 and the 2nd insulator 222 are fabricated to identical shape.Describe in detail, the length of the direction of principal axis L of the 1st insulator 122 and the 2nd insulator 222 has the relation of L3=L5, L4=L6.
In addition, in other words, on the 1st insulator 121, possess 2 the 1st extensions (the 1st short side wall portion 124a and the 1st long side wall portion 124b), and on the 2nd insulator 222, possess 2 the 2nd extensions (the 2nd short side wall portion 224a and the 2nd long side wall portion 224b), one side the 1st extension (the 1st long side wall portion 124b) is than the opposing party's the 1st extension (the 1st short side wall portion 124a) long (L3 < L4), a side 2nd extension (2nd short side wall portion 224a) relative with a side the 1st extension (the 1st long side wall portion 124b) is than the opposing party 2nd extension (2nd long side wall portion 224b) short (L5 < L6) relative with the opposing party's the 1st extension (the 1st short side wall portion 124a).
Under the state that the 1st insulator 121 and the 2nd insulator 222 is assemblied in to stator core 10, form gap S2 and S3.Gap S2 is formed between the 1st short side wall portion 124a and the 2nd long side wall portion 224b on direction of principal axis L, and gap S3 is formed between the 1st long side wall portion 124b and the 2nd short side wall portion 224a.In addition, stator core 10 and the 1st insulator 121 and the 2nd insulator 222 have the relation of H > L3+L6, H > L4+L5, form reliably gap S2 and S3.Length on the direction of principal axis L of gap S2 and S3 is 0.7 ± 0.7mm.In addition, L4 is set as the length that the 1st long side wall portion 124b covers the centre position M of stack length H.Gap S2 is formed at than centre position M and leans on the i.e. position near the 1st end 123 than centre position M of the 1st end 123 sides thus.In addition, L6 is set as the length that the 2nd long side wall portion 224b covers the centre position M of stack length H.Thus, gap S3 be formed at than centre position M by the 2nd end 223 sides than centre position M near the 2nd 223Ce position, end.In addition, gap S2 and S3 are formed on the Zhou Fangxiang C of curved portions 32.
Utilize Fig. 4 that the action of motor part 41 being carried out to the coil windings 30 in the situation of mould-forming is described.
The insulation system of the 1st insulator 121 shown in Fig. 4 and the 2nd insulator 222 is that the 1st insulator 121 and the 2nd insulator 222 are relatively assembled and form from direction of principal axis L.When the 1st insulator 121 and the 2nd insulator 222 are loaded into stator core 10, between the 1st short side wall portion 124a and the 2nd long side wall portion 224b, form gap S2, between the 1st long side wall portion 124b and the 2nd short side wall portion 224a, form gap S3.This gap S2 and S3 are positioned on the Zhou Fangxiang C of curved portions 32 of coil windings 30.Coil windings 30 is wound in stator core 10 contiguously across the 1st end 123 and the 2nd end the 223, the 1st short side wall portion 124a and the 1st long side wall portion 124b, the 2nd short side wall portion 224a and the 2nd long side wall portion 224b and the 1st junction surface 125 and the 2nd junction surface 225.Utilize resin die 31, from the outer circumferential side of coil windings 30, coil windings 30 is applied to mould-forming pressure P to stator core 10 sides.Curved portions 32 on the Zhou Fangxiang of gap S2 and S3 C is resisted forming pressure P and is produced compression stress R.It is large that curved portions 32 and the coil windings 30 of centre position M are compared curvature, and the compression stress R that the compression stress R therefore producing in curved portions 32 produces than the coil windings 30 at centre position M is large.That is to say, curved portions 32 is compared and is difficult for deflection under forming pressure P with the coil windings 30 of centre position M.In addition, the forming pressure P that applies of coil windings 30 that forming pressure P curved portions 32 being applied is positioned at comparison centre position M is near as the 1st junction surface 125 of fulcrum or the position at the 2nd junction surface 225.Thus, the torque ratio of forming pressure P curved portions 32 being applied is little in the moment of coil windings 30 generations of centre position M.That is to say that lonely shape portion 32 compares and is difficult for deflection under forming pressure P with the coil windings 30 of centre position M.
As described above in detail, according to the 2nd execution mode, except the effect of (1)～(4) of the 1st execution mode, can also obtain effect shown below.
(5) in the present embodiment, the 1st insulator 121 and the 2nd insulator 222 are identical shaped, and therefore the situation of the shape different with the 2nd insulator 222we from the 1st insulator 121 is compared, and can make the kind of the insulator of manufacture is a kind, can reduce manufacturing cost.
In addition,, in the 2nd execution mode, illustrated that the 1st insulator 121 and the 2nd insulator 222 are identical shaped situation, but the utility model is not limited to this.For example, as long as possess 2 the 1st extensions (the 1st short side wall portion 124a and the 1st long side wall portion 124b) on the 1st insulator 121, and on the 2nd insulator 222, possess 2 the 2nd extensions (the 2nd short side wall portion 224a and the 2nd long side wall portion 224b), one side the 1st extension (the 1st long side wall portion 124b) is than the opposing party's the 1st extension (the 1st short side wall portion 124a) long (L3 < L4), a side 2nd extension (2nd short side wall portion 224a) relative with a side the 1st extension (the 1st long side wall portion 124b) is than the opposing party 2nd extension (2nd long side wall portion 224b) short (L5 < L6) relative with the opposing party's the 1st extension (the 1st short side wall portion 124a), need not be identical shaped.In this case, can not get the effect of above-mentioned (5), but can obtain (1) to the effect of (4).
industrial utilizability
Can be applied to resin moulded stator core and the coil windings of causing the underproof automotive dynamoelectric machine of insulation occurs.
description of reference numerals
1: electrodynamic pump
10: stator core
11: electromagnetic steel plate
21: the 1 insulators
22: the 2 insulators
23a, 123: the 1 ends (the 1st base portion)
23b, 223: the 2 ends (the 2nd base portion)
24a: the 1st side wall portion (the 1st extension)
24b: the 2nd side wall portion (the 2nd extension)
25a, 125: the 1 junction surfaces
25b, 225: the 2 junction surfaces
30: coil windings
31: resin moulded
32: curved portions
41: motor part (automotive dynamoelectric machine)
124a: the 1st short side wall portion
124b: the 1st long side wall portion
224a: the 2nd short side wall portion
224b: the 2nd long side wall portion
L: direction of principal axis
C: Zhou Fangxiang
S1, S2, S3: gap
L1: the length of the 1st side wall portion (length of the 1st extension on direction of principal axis)
L2: the length of the 2nd side wall portion (length of the 2nd extension on direction of principal axis)
L3: the length of the 1st short side wall portion
L4: the length of the 1st long side wall portion
L5: the length of the 2nd short side wall portion
L6: the length of the 2nd long side wall portion
H: stack length (length of the stator core on direction of principal axis)
P: mould-forming pressure
R: compression stress
M: centre position.
Claims (6)
1. an automotive dynamoelectric machine,
Possess: stator core, it is laminated by a plurality of electromagnetic steel plates;
The 1st insulator and the 2nd insulator, its direction of principal axis from said stator iron core is relatively assemblied in said stator iron core; And
Coil windings, it is wound in above-mentioned the 1st insulator and above-mentioned the 2nd insulator, by resin moulded,
Above-mentioned automotive dynamoelectric machine is characterised in that,
Above-mentioned the 1st insulator has:
The 1st base portion, it covers a square end portion of the said stator iron core on above-mentioned direction of principal axis; And
The 1st extension, it extends to above-mentioned the 2nd insulator side from above-mentioned the 1st base portion,
Above-mentioned the 2nd insulator has:
The 2nd base portion, it covers the opposing party end of the said stator iron core on above-mentioned direction of principal axis; And
The 2nd extension, it extends to above-mentioned the 1st insulator side from above-mentioned the 2nd base portion,
On above-mentioned direction of principal axis, between above-mentioned the 1st extension and above-mentioned the 2nd extension, be formed with gap,
About above-mentioned gap, the position in above-mentioned gap be on above-mentioned direction of principal axis than the centre position of the length of said stator iron core by above-mentioned the 1st base portion side or above-mentioned the 2nd base portion side, be positioned at the part of comparing the above-mentioned coil windings that curvature is large with the above-mentioned coil windings in above-mentioned centre position.
2. automotive dynamoelectric machine according to claim 1, is characterized in that,
The position near above-mentioned the 1st base portion or above-mentioned the 2nd base portion than above-mentioned centre position is located in above-mentioned gap.
3. according to claim 1 or automotive dynamoelectric machine claimed in claim 2, it is characterized in that,
The large above-mentioned coil windings of so-called curvature, refers to the curved portions of the above-mentioned coil windings contacting with the 1st junction surface of above-mentioned the 1st base portion and above-mentioned the 1st extension or the 2nd junction surface of above-mentioned the 2nd base portion and above-mentioned the 2nd extension.
4. according to claim 1 or automotive dynamoelectric machine claimed in claim 2, it is characterized in that,
With the length of above-mentioned the 1st extension on said stator overlapping above-mentioned direction of principal axis unshakable in one's determination and shorter than the length of the said stator iron core on above-mentioned direction of principal axis with the length sum of above-mentioned the 2nd extension on said stator overlapping above-mentioned direction of principal axis unshakable in one's determination.
5. according to claim 1 or automotive dynamoelectric machine claimed in claim 2, it is characterized in that,
On above-mentioned the 1st insulator, possess 2 above-mentioned the 1st extensions, and
On above-mentioned the 2nd insulator, possess 2 above-mentioned the 2nd extensions,
Above-mentioned the 1st extension of one side extends minister than the opposing party the above-mentioned the 1st,
Above-mentioned the 2nd extension of a side relative with above-mentioned the 1st extension of a side is shorter than the opposing party above-mentioned 2nd extension relative with above-mentioned the 1st extension of the opposing party.
6. according to claim 1 or automotive dynamoelectric machine claimed in claim 2, it is characterized in that,
Above-mentioned the 1st insulator and above-mentioned the 2nd insulator are identical shaped.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011-172641 | 2011-08-08 | ||
| JP2011172641A JP5626159B2 (en) | 2011-08-08 | 2011-08-08 | Rotating electric machine for vehicles |
| PCT/JP2012/069631 WO2013021900A1 (en) | 2011-08-08 | 2012-08-01 | Rotating electrical machine for vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203859599U true CN203859599U (en) | 2014-10-01 |
Family
ID=47668410
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201290000711.3U Expired - Lifetime CN203859599U (en) | 2011-08-08 | 2012-08-01 | Rotating motor for vehicle |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20140159539A1 (en) |
| EP (1) | EP2744082A1 (en) |
| JP (1) | JP5626159B2 (en) |
| CN (1) | CN203859599U (en) |
| WO (1) | WO2013021900A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109149827A (en) * | 2017-06-28 | 2019-01-04 | 罗伯特·博世有限公司 | Heat insulating lamella, armature and the method for installing armature of armature for motor |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013132108A (en) * | 2011-12-20 | 2013-07-04 | Sanyo Denki Co Ltd | Stator |
| KR102080033B1 (en) * | 2018-12-21 | 2020-02-24 | 삼성전자주식회사 | Motor assembly, method of manufacturing the same and a cleaner having the same |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61218335A (en) * | 1985-03-20 | 1986-09-27 | Matsushita Electric Ind Co Ltd | Stator for molded motor |
| JP3892151B2 (en) | 1998-08-03 | 2007-03-14 | アスモ株式会社 | Brushless motor |
| JP2000341894A (en) * | 1999-05-28 | 2000-12-08 | Aisin Seiki Co Ltd | Internal structure of motor |
| JP4821048B2 (en) * | 2001-02-05 | 2011-11-24 | パナソニック株式会社 | Electric motor |
| JP2007174787A (en) * | 2005-12-21 | 2007-07-05 | Mitsubishi Electric Corp | Stator of rotating electric machine |
| JP5330079B2 (en) * | 2009-04-28 | 2013-10-30 | アスモ株式会社 | Insulator, armature, and manufacturing method of armature |
| JP2011030378A (en) * | 2009-07-27 | 2011-02-10 | Panasonic Corp | Stator and electrical apparatus |
-
2011
- 2011-08-08 JP JP2011172641A patent/JP5626159B2/en active Active
-
2012
- 2012-08-01 WO PCT/JP2012/069631 patent/WO2013021900A1/en active Application Filing
- 2012-08-01 CN CN201290000711.3U patent/CN203859599U/en not_active Expired - Lifetime
- 2012-08-01 US US14/130,970 patent/US20140159539A1/en not_active Abandoned
- 2012-08-01 EP EP12822752.7A patent/EP2744082A1/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109149827A (en) * | 2017-06-28 | 2019-01-04 | 罗伯特·博世有限公司 | Heat insulating lamella, armature and the method for installing armature of armature for motor |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2013038900A (en) | 2013-02-21 |
| EP2744082A1 (en) | 2014-06-18 |
| JP5626159B2 (en) | 2014-11-19 |
| WO2013021900A1 (en) | 2013-02-14 |
| US20140159539A1 (en) | 2014-06-12 |
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| CX01 | Expiry of patent term |
Granted publication date: 20141001 |